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2,7-bis(ethynyl)-N-(2-ethylhexyl)carbazole is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

909342-67-2

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909342-67-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 909342-67-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,0,9,3,4 and 2 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 909342-67:
(8*9)+(7*0)+(6*9)+(5*3)+(4*4)+(3*2)+(2*6)+(1*7)=182
182 % 10 = 2
So 909342-67-2 is a valid CAS Registry Number.

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